Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
Item |
OS Reinstallation |
OS Change |
Specifications Modification |
---|---|---|---|
Application scenario |
Initialize an ECS. The ECS OS remains unchanged after OS change. |
Change the OS of an ECS by changing its image. For details about OS change constraints, see Changing the OS. |
Change ECS specifications, such as increasing the number of vCPUs or adding memory, to meet your service requirements. |
Billing |
OS reinstallation is free of charge. The ECS price remains unchanged. |
OS change is free of charge. However, you will be billed based on your new image type after OS change. . |
Modifying ECS specifications is free of charge. However, you will be billed based on the new specifications after modification. |
IP address |
The private IP address, EIP, and MAC address remain unchanged. |
The private IP address, EIP, and MAC address remain unchanged. |
The private IP address, EIP, and MAC address remain unchanged. |
System disk |
Reinstalling OS will clear the data in all partitions of the ECS system disk. Back up data before reinstalling the OS. |
Changing OS will clear the data in all partitions of the ECS system disk. Back up data before changing the OS. |
No impact on system disk. |
Data disk |
No impact on data disk. |
No impact on data disk. |
No impact on data disk. |
Backup |
Back up data before reinstalling the OS to prevent data loss. |
Back up data before changing the OS to prevent data loss. |
Create a system disk snapshot before modifying ECS specifications to prevent data loss. |
General FAQs
- How Do I Start Using a Newly Purchased Disk?
- Can EVS Disks Be Used Directly for Storage?
- Can EVS Disks Be Used Alone?
- How Can I View My Disk Details?
- Can I Change the AZ of My Disk?
- Can I Change the Disk Type, Device Type, or Sharing Attribute of My Disk?
- What Should I Do If an Error Occurs on My EVS Disk?
- How Can I Obtain ECS NIC Information?
- Why Do Some of My EVS Disks Not Have WWN Information?
- How Can I Migrate Data from an EVS Disk?
- What Are the Differences Between System Disks and Data Disks?
- Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
- How Can I Download My EVS Disk Data to a Local PC?
- How Can I Export the Original Data After I Changed My Server OS from Windows to CentOS?
- What Are the Differences Between MBR and GPT Partition Styles?
- What Does the "reserveVolume" Trace Mean in CTS?
- How Can I Upload Files to My EVS Disk?
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